<html>
<head>
    <meta charset="UTF-8">
    <title>demo</title>
    <style type="text/css">
        body {
            background-color: red;
            /*overflow: scroll;*/
        }
        .box {
            height: 10000px;
            width: 100px;
            overflow: scroll;
        }
        .content{
            height: 400px;
        }
        

    </style>

</head>
<body>
    <div class="container">
        <div  class="box">
            <div class="content"></div>
        </div>        
    </div>
    
    <script src="http://cdn.bootcss.com/jquery/1.8.0/jquery-1.8.0.min.js"></script>
    <script type="text/javascript" src="./dist/demo.js"></script>

</body>
</html>